na casa dos

at the home of; in the ...s

→ na
phrase Rare #20,282
at the home of; in the ...s Used literally for someone's home, often before a family name or plural noun. With an age, as in “na casa dos quarenta,” it means “in one's forties” or approximately forty years old.
PO: Ela trabalha na casa dos Silva.
EN: She works at the Silva family's home.

Ele estava na casa dos McBain.

He was at the McBain's house.

— Era uma Vez no Oeste (1968)

Nós os achamos na casa dos McBain.

We found them at the McBains' house.

— Era uma Vez no Oeste (1968)

Trabalho na casa dos Ledgard desde pequena.

I've worked at the Ledgard's house since I was little.

— A Pele Que Habito (2011)

Vou jantar na casa dos Danburry.

I'm going to have dinner at the Danburys' house.

— Sociedade dos Poetas Mortos (1989)

Mas há algo acontecendo na casa dos Yu.

But something is going on at the Yu's house.

— O Tigre e o Dragão (2000)

Domingo vamos almoçar na casa dos meus pais.

On Sunday we're having lunch at my parents' house.

— Perfeitos Desconhecidos (2016)

Eu sou um homem na casa dos quarenta.

I’m a man in my forties.

Sexta-feira à noite, na casa dos Danburry.

Friday night, at the Danburry's house.

— Sociedade dos Poetas Mortos (1989)

Tom está na casa dos vinte anos.

Tom is in his twenties.

O Sr. Davis ainda está na casa dos trinta.

Mr. Davis is still in his thirties.

Vamos ficar na casa dos avós.

We're going to stay at our grandparents' house.

— Tudo Sobre Minha Mãe (1999)